Security readout for executives and security teams
Plain-English summary
CVE-2018-10948 is a persistent cross-site scripting issue in the Zimbra Collaboration Suite Admin UI. The public record says mail address handling could store malicious content in versions before 8.8.0 beta 2. This mainly matters where administrators use affected Zimbra admin interfaces.
Executive priority
Treat this as a targeted administrative-interface risk, not a confirmed internet-wide emergency. Prioritize validation if legacy Zimbra is present, because persistent XSS in admin workflows can undermine privileged sessions and administrative trust.
Technical view
The CVE describes stored XSS in Synacor Zimbra Admin UI via mail addresses, affecting Zimbra Collaboration Suite before 8.8.0 beta 2. No CVSS, CWE, detailed attack prerequisites, or vendor remediation text are present in the provided bundle beyond that version boundary.
Likely exposure
Exposure is likely limited to organizations running Zimbra Collaboration Suite versions before 8.8.0 beta 2, especially where the Admin UI is reachable by privileged users. The bundle does not identify specific editions, deployment modes, or CPEs.
Exploitation context
The bundle does not show CISA KEV listing or active exploitation evidence. Persistent XSS could affect administrators who view stored malicious mail address data, but the provided sources do not describe exploit mechanics, prerequisites, or observed attacks.
Researcher notes
Evidence is sparse. The usable facts are the product, Admin UI component, persistent XSS class, mail address vector, and affected boundary before 8.8.0 beta 2. No CVSS, CWE, exploit status, or detailed patch note is included in the bundle.
Mitigation direction
- Inventory Zimbra Collaboration Suite versions and flag anything before 8.8.0 beta 2.
- Check Zimbra vendor guidance and bug 107948 for supported remediation details.
- Restrict Admin UI access to trusted administrator networks and accounts.
- Review mail address records for unexpected script-like or malformed stored values.
Validation and detection
- Confirm the deployed Zimbra version from asset inventory or administrative records.
- Verify whether Admin UI access is exposed beyond intended administrator paths.
- Review change history for mail address fields in affected Zimbra deployments.
- Document whether the instance is before or after the CVE version boundary.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2018-10948 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://bugzilla.zimbra.com/show_bug.cgi?id=107948CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.